/**
 * Created by 王景华 on 2020/12/27 8:02 下午.
 */

#include <stdio.h>
int main(){
    int kt ;
    double perkt = 950/(3e-23);
    double number;
    printf("Please how many kts to be converted: \n");
    scanf("%d", &kt);
    number = kt * perkt;
    printf("There is %e water ions\n", number);

    return  0;
}